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636
resultados
Última actualización
01/10/2025 [06:49:00]
Resultados 475 a 500 de 636
Resumen de: WO2025190457A1
The technology disclosed here relates, according to the invention, to a method for controlling an anode pressure in a fuel cell system (10), wherein the fuel cell system (10) comprises a fuel cell (11) having an anode (12) and a cathode (13), a pressure sensor (21, 22) and a fuel sensor (24, 25), and the method has the following steps: determining an anode pressure by means of the pressure sensor (21, 22), determining a fuel concentration in and/or at the anode (12) by means of the fuel sensor (24, 25), and controlling the anode pressure on the basis of the determined fuel concentration. The technology further relates to a fuel cell system (10), a vehicle (100), a computer program product (30) for carrying out the method, and a computer-readable storage medium (40) on which the computer program product (30) is stored.
Resumen de: WO2025190700A1
The invention relates to a method for operating an air system (1) for supplying at least one stack (4) with air, wherein the air system (1) has a supply air path (2) for a stack inlet air mass flow, an exhaust air path (3) for a stack outlet air mass flow, and a cooling air path (4) for a cooling air mass flow. The cooling air mass flow is used to cool an air compressor module (5) comprising at least one compressor (6) integrated into the supply air path (2) for compressing a fresh air mass flow drawn into the supply air path (2) from the surrounding environment, from which fresh air mass flow all the air mass flows located in the air system (1) are fed, and from which the cooling air mass flow branches off, is fed via the cooling air path (4) to the air compressor module (5) for cooling, is expanded in the meantime and is then introduced into the stack outlet air mass flow. According to the invention, the stack inlet air mass flow is determined from the difference between the fresh air mass flow and the cooling air mass flow and optionally further air mass sub-flows to be deducted, which are branched off from the supply air path (2) downstream of the compressor (6), wherein the cooling air path (4) is modelled as a throttle point on the basis of the expansion occurring there, and the cooling air mass flow is determined computationally on the basis of this modelling by means of a throttle equation. The invention also relates to a control device that is designed to carry out s
Resumen de: WO2025190609A1
The invention relates to a method for characterising a first power unit of an energy system, wherein the energy system has a plurality of power units for providing electrical power; and wherein the power unit has a fuel cell system and/or an electrical energy store, and wherein the energy system is electrically coupled to an electrical load; and the energy system is designed to provide the electrical load with dynamic power for operation, comprising: determining (S1) a current power requirement of the electrical load; providing (S2) a power operating point for the first power unit during the characterisation; providing (S3) the current power requirement of the load by means of the plurality of power units, wherein the first power unit is controlled to provide the electrical power of the power operating point in a stationary manner; and characterising (S4) the first power unit, wherein the first unit provides the electrical power in a stationary manner in accordance with the power operating point.
Resumen de: WO2025190517A1
The invention relates to a fuel cell assembly (26) comprising a first fuel cell plate (1) intended to come into contact with a membrane electrode assembly, the first plate (1) comprising a reactive face (11) that comprises a reactive zone (2), a clamping band (9), a thinned portion (3) and a peripheral sealing zone (12), wherein the reactive zone (2) comprises flow channels for a reactant, wherein the clamping band (9) is configured to at least partially surround the reactive zone (2) by being designed to clamp the membrane electrode assembly, wherein the peripheral sealing zone (12) is configured to surround the clamping band (9) by being designed to form, together with the membrane electrode assembly, a seal for the cell against the reactant, and wherein the thinned portion (3) is arranged between the peripheral sealing zone (12) and the clamping band (9).
Resumen de: US2025283861A1
A cover for a gas detector mounted on a ceiling surface includes a flat plate portion disposed along the ceiling surface and to which the gas detector is fixed, and a collar portion extending so as to surround the gas detector in the flat plate portion and inclined downward as the distance from the gas detector increases. At least one of the flat plate portion and the collar portion is provided with a plurality of through holes, and the plurality of through holes are arranged so as to surround the gas detector.
Resumen de: US2025286094A1
A fuel cell cooling system includes a first cooling channel, a fuel cell, a second cooling channel, radiator, an intercooler, an intermediate heat exchanger including a first heat exchange channel and a second heat exchange channel, a parallel channel, and a valve. During power generation by the fuel cell, when the temperature of the coolant in the first cooling channel is lower than a first reference value, a first operation is performed in which coolant is circulated in the first cooling channel over a path passing through the fuel cell and the first heat exchange channel, and also coolant is circulated in the second cooling channel over a path passing through the radiator, the parallel channel and the intercooler. When the temperature of the coolant in the first cooling channel is higher than the first reference value, a second operation is performed.
Resumen de: US2025286093A1
In the fuel cell cooling system, a first cooling flow path, a fuel cell, a second cooling flow path, a radiator, an intercooler, an intermediate heat exchanger, and a bypass flow path, and during power generation of the fuel cell, when the temperature of the refrigerant in the first cooling flow path is lower than the first reference value, a first operation for circulating the refrigerant in the second cooling flow path is performed in a path passing through the intermediate heat exchanger, the intercooler, and the bypass flow path, and when the temperature of the refrigerant in the first cooling flow path is higher than the first reference value, a second operation for circulating the refrigerant in the second cooling flow path is performed in a path passing through the intermediate heat exchanger, the intercooler, and the radiator.
Resumen de: JP2025135291A
【課題】燃料電池装置で発生する異常の内容を適切に診断できる異常診断装置の提供。【解決手段】異常診断装置が、水情報測定器によって改質用水の電気伝導度が所定の高伝導度状態であることが測定されているという第１判定条件が満たされ、且つ、水情報測定器で測定される電気伝導度が改質用水の水質悪化の指標となる所定の閾値以上であるという第２判定条件が満たされる場合、改質用水の水質悪化が発生していると判定する。【選択図】図３
Resumen de: US2025286085A1
In the fuel cell cooling system, a first cooling channel, a fuel cell, a second cooling channel, a radiator, a heater, a heater core, and an intermediate heat exchanger are provided, and the second cooling channel includes a bypass channel provided in parallel to the radiator, and during power generation of the fuel cell, the coolant is circulated in the first cooling channel on a path through the fuel cell and the intermediate heat exchanger, and the coolant is circulated in the second cooling channel on a path through the intermediate heat exchanger, the heater, the heater core, and the bypass channel, thereby performing a first operation of heating air by the heater core. In the first operation, the temperature of the coolant in the second cooling channel is unlikely to decrease.
Resumen de: US2025286087A1
The fuel cell cooling system includes first and second cooling flow paths, a fuel cell, an ion exchanger, a radiator, and an intermediate heat exchanger. When the temperature of the refrigerant in the first cooling flow path is lower than a reference value during power generation of the fuel cell, a first operation is performed to circulate the refrigerant in the first cooling flow path along a route in which the refrigerant that has passed through the intermediate heat exchanger flows through the fuel cell and the ion exchanger in parallel and circulate the refrigerant in the second cooling flow path along a route in which the refrigerant passes through the intermediate heat exchanger and the radiator, and when the temperature of the refrigerant in the first cooling flow path is higher than the reference value during the power generation in the fuel cell, a second operation is performed.
Resumen de: JP2025135286A
【課題】燃料電池装置で発生する異常の内容を適切に診断できる異常診断装置の提供。【解決手段】異常診断装置が、燃焼部での失火の発生回数が所定の多数状態であるという第１判定条件が満たされ、且つ、内側温度測定器が測定する内側空間の温度、改質器温度測定器が測定する改質器の温度、又は、排出ガス温度測定器が測定する排出ガスの温度がそれぞれの測定上下限の範囲から逸脱しているという第２判定条件が満たされる場合、制御装置に異常があると判定する。【選択図】図３
Resumen de: JP2025135550A
【課題】経時的な性能変化が少なく、特に活性低下が少なく、高温反応させても触媒の破損がないため反応成績の長期安定性が高いメタノール改質触媒を提供する。【解決手段】メタノールを改質して水素を製造するための触媒であって、（Ａ）活性成分を有し、以下式（Ｉ）で表される振とう強度が３０％以上であるメタノール改質触媒。振とう強度（％）＝（振とう試験後１ｍｍメッシュを通過しない触媒重量）／（振とう試験前の触媒重量）×１００（Ｉ）【選択図】なし
Resumen de: JP2025135290A
【課題】燃料電池装置で発生する異常の内容を適切に診断できる異常診断装置の提供。【解決手段】異常診断装置が、振動測定器によって改質用水ポンプの正常振動が測定されないという第１判定条件が満たされ、且つ、水情報測定器の出力が正常であるという第２判定条件が満たされ、且つ、振動測定器及び信号伝送線の少なくとも一方の断線が発生しているという第３判定条件が満たされる場合、振動測定器及び信号伝送線の少なくとも一方の断線という異常が発生していると判定する。【選択図】図３
Resumen de: JP2025135232A
【課題】本開示は、高い発電性能を有する燃料電池を得ることが可能な、燃料電池用電極触媒層及び燃料電池用電極触媒、該触媒層及び触媒を製造する際に用いることが可能なカーボン担体を提供することを目的とする。【解決手段】本実施形態の一態様のカーボン担体は、平均一次粒子径が１５０ｎｍ以上であり、マクロ孔モード直径が８４ｎｍ以下である。また、本実施形態の一態様の燃料電池用電極触媒層は、カーボン担体にＰｔ又はＰｔ合金が担持された燃料電池用電極触媒を含む燃料電池用電極触媒層であり、前記燃料電池用電極触媒層の断面の空隙断面積０μｍ２超、０．０３μｍ２以下の累計空隙断面積が０．０６５μｍ２以上である。【選択図】なし
Resumen de: JP2025135283A
【課題】燃料電池装置で発生する異常の内容を適切に診断できる異常診断装置の提供。【解決手段】異常診断装置が、空気ブロアの回転速度と、空気流量測定器の測定値とを参照して、空気ブロアの回転速度が所定回転速度以下である状態が所定期間連続しているという第１判定条件が満たされ、且つ、空気流量測定器の測定値が目標空気流量より設定値以上小さいという第２判定条件が満たされる場合、空気ブロアの動作不良が発生していると判定する。【選択図】図３
Resumen de: JP2025135454A
【課題】濾過部の詰まりを好適に解消できる燃料電池システムを提供する。【解決手段】改質用水としての水から濾過によって不純物を除去する濾過部２５と、水供給路１３と、を備え、水供給路１３は、改質用水タンク４と濾過部２５とを繋ぐ第１供給路３１と、濾過部２５と電池冷却水タンク３とを繋ぐ第２供給路３２と、を有しており、水供給ポンプ１４は、第２供給路３２に設けられていると共に、濾過部２５から電池冷却水タンク３へ向かう方向に水を送る正方向動作と、電池冷却水タンク３から濾過部２５へ向かう方向に水を送る逆方向動作と、が可能であり、制御装置Ｃは、燃料電池１を発電運転させる発電処理と、水供給ポンプ１４に逆方向動作を実行させる逆方向処理と、を互いに重複しないタイミングで行うように構成されている。【選択図】図３
Resumen de: JP2022182694A
To provide an apparatus with reduced weight in which an electrochemical reaction is performed, such as an electrochemical reaction apparatus.SOLUTION: Provided is an electrochemical reaction apparatus comprising a reaction part in which an electrochemical reaction is performed and an energizing part in which power is supplied to or received from the reaction part. The energizing part has an energizer abutting on the reaction part. The reaction part has an abutting surface abutting on the energizer. The energizer is composed of a polymer composition containing an electronically conductive polymer. Also provided is the energizer used in such a reactor.SELECTED DRAWING: Figure 4
Resumen de: JP2025135287A
【課題】燃料電池装置で発生する異常の内容を適切に診断できる異常診断装置の提供。【解決手段】異常診断装置が、出力電圧が所定の低下状態であるという第１判定条件が満たされ、且つ、所定の目標原燃料流量に対する原燃料流量の乖離量が設定値以上であるという第２判定条件が満たされる場合、原燃料供給路を介した原燃料の供給系統の異常、又は、ホットモジュールの異常が発生していると判定する。【選択図】図３
Resumen de: JP2025135289A
【課題】燃料電池装置で発生する異常の内容を適切に診断できる異常診断装置の提供。【解決手段】異常診断装置が、空間温度測定器が測定する外側容器内空間の温度が所定の高温状態であるという第１判定条件が満たされ、且つ、空間温度測定器が測定する外側容器内空間の温度の変化速度が設定値以上である、或いは、発電停止中に第１判定条件が満たされたという第２判定条件が満たされる場合、空間温度測定器の異常が発生していると判定する。【選択図】図３
Resumen de: JP2025135284A
【課題】燃料電池装置で発生する異常の内容を適切に診断できる異常診断装置の提供。【解決手段】施異常診断装置が、空気流量測定器の測定値と目標空気流量とが乖離しているという第１判定条件が満たされ、且つ、大空気流量状態及び小空気流量状態の両方が現れるという第２判定条件が満たされ、且つ、判定期間に、原燃料流量測定器の測定値が所定の目標原燃料流量よりも大きく且つ目標原燃料流量に対する原燃料流量測定器の測定値の燃料乖離量が設定燃料乖離値以上となる大燃料流量状態、及び、原燃料流量測定器の測定値が目標原燃料流量よりも小さく且つ燃料乖離量が設定燃料乖離値以上となる小燃料流量状態の両方が現れるという第３判定条件が満たされる場合、内側空間から排気口を介して行われる、燃焼部での燃焼により発生したガスを含む排出ガスの排気の不良が発生していると判定する。【選択図】図３
Resumen de: JP2025135288A
【課題】燃料電池装置で発生する異常の内容を適切に診断できる異常診断装置の提供。【解決手段】異常診断装置が、燃料電池装置の起動異常が発生しているという第１判定条件が満たされ、且つ、原燃料ブロアの出力と原燃料流量測定器によって測定される原燃料流量との相関関係に基準値以上の乖離があるという第２判定条件が満たされる場合、原燃料流量測定器の異常が発生していると判定する。【選択図】図３
Resumen de: JP2025135285A
【課題】燃料電池装置で発生する異常の内容を適切に診断できる異常診断装置の提供。【解決手段】異常診断装置が、熱交換温度測定器が測定する熱交換器温度が所定の高温状態にあるという第１判定条件が満たされ、且つ、熱交換温度測定器が測定する熱交換器温度が排出ガス温度測定器が測定する排出ガスの温度より高いという第２判定条件が満たされる場合、熱交換温度測定器の異常が発生していると判定する。【選択図】図３
Resumen de: WO2025193667A1
A series of pyridinium compounds having a low reduction potential and a highly persistent radical state are utilized as anolytes in redox flow, thin-film metal-organic hybrid and all-organic batteries.
Resumen de: US2025293516A1
Systems, methods, and other embodiments described herein relate to safely activating a fuel cell (FC) within a generator. In one embodiment, a method includes initiating a test for sensitive systems of a generator during a standby status using backup power including a battery. The method also includes powering an FC and a direct current (DC) converter on a first bus within the generator by increasing an operational voltage on a second bus using the battery. The method also includes, upon successfully completing the test and powering the FC and the DC converter, energizing a load inverter by switching power flow from the battery to the FC after completing a non-critical sequence that controls support systems of the generator for a generating status, wherein the DC converter stabilizes voltage energy between the FC directly connected on the first bus above a minimum voltage and output energy to the second bus.
Nº publicación: US2025293266A1 18/09/2025
Solicitante:
DENSO CORP [JP]
DENSO CORPORATION
Resumen de: US2025293266A1
An electrode includes electrolyte particles and Ni-based particles. The electrolyte particles contain Gd-doped CeO2 (GDC) and/or Gd- and La-doped CeO2 (La-GDC). The Ni-based particles are composed of core-shell particles in which a surface of a core composed of Ni or a Ni-based alloy is partially or fully covered by a shell composed of a composite oxide containing NiO or Ni.
BOPI
Sede Electrónica
